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Cheap flights from London Heathrow Airport to San Juan from £286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Juan departing on 24/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to San Juan

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to San Juan.
Icelandair Logo
08:15 - 21:18LHR-SJU
18h 03m1 stop
Icelandair Logo
03:15 - 20:45SJU-LHR
12h 30m1 stop
£488Icelandair
Find Deal
Tue, 9 Sep - Tue, 23 Sep
Icelandair Logo
08:15 - 21:18LHR-SJU
18h 03m1 stop
Icelandair Logo
03:15 - 20:45SJU-LHR
12h 30m1 stop
£490Icelandair
Find Deal
Tue, 9 Sep - Tue, 23 Sep
Iberia Logo
11:30 - 18:30LHR-SJU
12h 00m1 stop
Iberia Logo
15:58 - 10:35SJU-LHR
13h 37m1 stop
£506Iberia
Find Deal
Wed, 3 Sep - Thu, 18 Sep
Iberia Logo
11:30 - 18:30LHR-SJU
12h 00m1 stop
Iberia Logo
11:55 - 09:25SJU-LHR
16h 30m1 stop
£507Iberia
Find Deal
Wed, 3 Sep - Thu, 18 Sep
JetBlue Logo
08:15 - 21:18LHR-SJU
18h 03m1 stop
JetBlue Logo
11:30 - 09:30SJU-LHR
17h 00m1 stop
£509JetBlue
Find Deal
Tue, 16 Sep - Tue, 23 Sep
JetBlue Logo
11:55 - 21:18LHR-SJU
14h 23m1 stop
JetBlue Logo
11:30 - 09:30SJU-LHR
17h 00m1 stop
£520JetBlue
Find Deal
Wed, 17 Sep - Wed, 24 Sep
 Logo
15:55 - 19:40LHR-SJU
32h 45m2 stops
 Logo
17:10 - 12:15SJU-LHR
14h 05m1 stop
Fri, 25 Apr - Wed, 30 Apr
 Logo
19:40 - 09:52LHR-SJU
19h 12m1 stop
 Logo
06:15 - 08:15SJU-LHR
21h 00m1 stop
Fri, 25 Apr - Wed, 30 Apr
British Airways Logo
12:30 - 22:55LHR-SJU
15h 25m1 stop
British Airways Logo
16:30 - 10:35SJU-LHR
13h 05m1 stop
£703British Airways
Find Deal
Tue, 1 Jul - Tue, 29 Jul
British Airways Logo
10:05 - 22:45LHR-SJU
17h 40m1 stop
British Airways Logo
14:05 - 09:25SJU-LHR
14h 20m1 stop
£931British Airways
Find Deal
Mon, 7 Jul - Sun, 24 Aug

Iberia flights from London Heathrow Airport to San Juan

Our best Iberia deals on London Heathrow Airport to San Juan flight tickets
Iberia
3 Sept
LHR11:30London Heathrow
12h 00m
1 stop
SJU18:30San Juan Luis Munoz Marin Intl
18 Sept
SJU15:58San Juan Luis Munoz Marin Intl
13h 37m
1 stop
LHR10:35London Heathrow
Iberia
3 Sept
LHR11:30London Heathrow
12h 00m
1 stop
SJU18:30San Juan Luis Munoz Marin Intl
18 Sept
SJU11:55San Juan Luis Munoz Marin Intl
16h 30m
1 stop
LHR09:25London Heathrow
Iberia
3 Sept
LHR06:30London Heathrow
17h 00m
2 stops
SJU18:30San Juan Luis Munoz Marin Intl
18 Sept
SJU11:55San Juan Luis Munoz Marin Intl
17h 40m
1 stop
LHR10:35London Heathrow

British Airways flights from London Heathrow Airport to San Juan

Our best British Airways deals on London Heathrow Airport to San Juan flight tickets
British Airways
1 Jul
LHR12:30London Heathrow
15h 25m
1 stop
SJU22:55San Juan Luis Munoz Marin Intl
29 Jul
SJU16:30San Juan Luis Munoz Marin Intl
13h 05m
1 stop
LHR10:35London Heathrow
British Airways
7 Jul
LHR10:05London Heathrow
17h 40m
1 stop
SJU22:45San Juan Luis Munoz Marin Intl
24 Aug
SJU14:05San Juan Luis Munoz Marin Intl
14h 20m
1 stop
LHR09:25London Heathrow
British Airways
3 Jul
LHR12:30London Heathrow
15h 25m
1 stop
SJU22:55San Juan Luis Munoz Marin Intl
12 Aug
SJU16:05San Juan Luis Munoz Marin Intl
13h 30m
1 stop
LHR10:35London Heathrow

See travel insights to San Juan from

How to get the cheapest flight ticket from London Heathrow Airport to San Juan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan?

The cheapest month to fly to San Juan from London Heathrow Airport is in September. Flight prices, which tend to average around £512, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to San Juan from London Heathrow Airport during April instead. Flights to San Juan in April, while not as cheap as those in September, still average around £568.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart on your flight to San Juan is on a Monday when prices can be found for as low as £549. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around £669.

What is the cheapest time of day to depart on your flight to San Juan?

In the morning is the cheapest time of day to fly from London Heathrow Airport to San Juan when you can find flight prices for as low as £607. Flying to San Juan in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of £868.

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from London Heathrow Airport when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around £657 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from London Heathrow Airport for as low as £570 on momondo.

Cheap London Heathrow Airport to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Juan

Best price found

£286

Fastest flight time

12h 00m

Direct flights

None

Airports in San Juan

1 airport
The best one-way flight to San Juan from London Heathrow Airport in the past 72 hours is £286. The best return flight deal from London Heathrow Airport to San Juan found on momondo in the last 72 hours is £488.
The fastest flight from London Heathrow Airport to San Juan takes 12h 00m
There are no direct flights from London Heathrow Airport to San Juan. Popular non-direct route for this connection is London Heathrow Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)

  • How far is London Heathrow to San Juan by plane?

    The distance between London Heathrow and San Juan is about 4182.0 mi. A reasonable flight in good conditions will take 12h 00m.

  • When did momondo last update prices for flights from London Heathrow Airport to San Juan?

    Prices for flights from London Heathrow Airport to San Juan are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to San Juan?

  • How old do you have to be to fly from London Heathrow Airport to San Juan?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from London Heathrow Airport to San Juan

Compare and see reviews for airlines that fly from London Heathrow Airport to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £436Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
JetBluePriceFrom £454Free CancellationRating
7.3
2,920 reviews
Search JetBlue flights
IcelandairPriceFrom £464Free CancellationRating
7.0
476 reviews
Search Icelandair flights
IberiaPriceFrom £519Free CancellationRating
7.0
2,659 reviews
Search Iberia flights
British AirwaysPriceFrom £581Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £875Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights

Why use momondo?

Why should I use momondo to find a flight deal from London to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from London.

Can I find flights from London to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from London to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Juan.

I’m not ready to book a flight from London to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan